___________ good news! The 31st Olympic Games will ___________ on August 5th, 2016 in Rio de Janeiro（黑约热内卢）.

Look! ducks are swimming in the river.

Hi, Tom. It’s nice seeing you. Here’s my mobile phone number. Let’s ______ in touch. — Sure. So long. [ ]

Activities of the Science Festival _____ model planes and model rockets are flown over the school grounds include the Inventions Show and the Essay Competition.

Jane, I can’t find Lucy in the classroom. —Oh, she ________ the piano in the music room.